Recent content by salqmander

  1. S

    Projectile Motion Problem: Kicking a soccer ball over a fence

    yes, i solved for horizontal position not vertical position
  2. S

    Projectile Motion Problem: Kicking a soccer ball over a fence

    is this right? xf = xi + (vx)i delta t, xi=0 t = xf / vxi t = 25m / 19m/s, t = 1.3 seconds vyi = vi sin theta, vyi = 9.5m/s yf = yi + vyi delta t- 1/2g t ^2 = 0m + 9.5m/s(1.5) - 0.5(9.8m/s^2)(1.5)^2 yf = 3.2m 3.2-2.5 = +0.7m
  3. S

    Projectile Motion Problem: Kicking a soccer ball over a fence

    should I use the equation xf = xi + (vx)i delta t for time and then yf = yi + vyi delta t- 1/2g t ^2
  4. S

    Point particle model for a person pushing a block on ice

    oh that makes sense. is it just contact force?
  5. S

    Point particle model for a person pushing a block on ice

    to the person, i believe there is friction force from the block,
  6. S

    Point particle model for a person pushing a block on ice

    yes i realized that g shouldn't be in a horizontal question, let me see
  7. S

    Point particle model for a person pushing a block on ice

    do you know how to solve part b? i'm not sure what to do my textbook is not very clear
  8. S

    Point particle model for a person pushing a block on ice

    I think because the surface is ice friction is negligible, right?
  9. S

    Point particle model for a person pushing a block on ice

    There was a force of friction which is negligible because the ice is not slippery so are there no more forces acting on the ice? will it continue at a speed of 4m/s so 0 acceleration?
Back
Top